Hardhat respirator hood



FIG. 1 is a perspective view of the hardhat respirator hood showing my new design being worn, the dotted line portions of the drawing being for illustrative purposes only;

FIG. 2 is a left side elevational view thereof, the right side being a mirror image thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof; and

FIG. 5 is a top plan view thereof. 

The ornamental design for a hardhat respirator hood, substantially as shown and described. 